Whiledesigningyourdatabase,youhavecreatedtheEMPLOYEEStableasanindexorganizedtable(IOT).YouwanttocreateabitmapindexontheJOB_IDcolumntomakequeriesfaster.Whichtaskmusthavebeencompletedsothatyouareabletocreatethebitmapindex?()

A.Aprimarykeymusthavebeencreated. B.Amappingtablemusthavebeencreated. C.Anoverflowtablespacemusthavebeenspecified. D.ThePCTTHRESHOLDoptionmusthavebeenspecified.

时间:2024-01-16 13:05:42

相似题目